G.f. A(x) satisfies x = Sum_{n>=1} A( x^n*(1-x)^(4*n) ).
A380553
G.f. A(x) satisfies x = Sum_{n>=1} A( x^n*(1-x)^(4*n) ).
Terms
- a(0) =1a(1) =3a(2) =25a(3) =200a(4) =1770a(5) =16351a(6) =158223a(7) =1577328a(8) =16112031a(9) =167708890a(10) =1772645419a(11) =18974340640a(12) =205263418940
External references
- oeis: A380553